Submission #397726

#	Time	Username	Problem	Language	Result	Execution time	Memory
397726		leinad2	Carnival Tickets (IOI20_tickets)	C++17	11 / 100	2 ms	692 KiB

tickets

#include"tickets.h"
#include<bits/stdc++.h>
using namespace std;
long long find_maximum(int k, vector<vector<int> > x)
{
	int n=x.size();int m=x[0].size();int i, j;
	vector<int>v;
	for(i=0;i<n;i++)
    {
        v.push_back(x[i][0]);
    }
    sort(v.begin(), v.end());
    long long ans=0;
    for(i=0;i<v.size();i++)
    {
        if(2*i<v.size())ans-=v[i];
        else ans+=v[i];
    }
    vector<vector<int> >res;
    res.resize(n);
    for(i=0;i<n;i++)
    {
        res[i].resize(m);
        for(j=0;j<m;j++)res[i][j]=-1;
    }
    for(i=0;i<n;i++)res[i][0]=0;
    allocate_tickets(res);
    return ans;
}

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:14:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     for(i=0;i<v.size();i++)
      |             ~^~~~~~~~~
tickets.cpp:16:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |         if(2*i<v.size())ans-=v[i];
      |            ~~~^~~~~~~~~

• Subtask 1: 11 / 11
• Subtask 2: 0 / 16
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 12
• Subtask 6: 0 / 23
• Subtask 7: 0 / 10